Part C Now observe the graph of the vertical velocity against time (vy vs. t). To do so, click the “y” label on the vertical axis and select “vy: velocity y-component” from the pop-up menu. What do you observe about the vertical velocity of the ball? What does this say about the mathematical relationship between y-velocity and time here?

Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

The energy released by a nuclear fusion reaction is produced when